{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Constant",
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0254",
  "property" : [ {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotes",
    "code" : "HL7usageNotes",
    "valueString" : "Adopted from the IUPAC Silver Book 1995” to the code"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#status",
    "code" : "status",
    "valueCode" : "A"
  } ],
  "codesystem" : "cc37b4dd-ddde-5296-a07f-538da008dc49",
  "concept_id" : "bc2e01e1-00c9-59fc-894e-fb46030d4d4d",
  "ancestors" : {
    "CNST" : 0
  },
  "id" : "7f9a8d84-7b05-4271-9b4a-595987173ed8",
  "code" : "CNST",
  "display" : "Constant",
  "version" : "2.0.0"
}